00334nam a2200109Ia 4500008004100000040003800041100002300079245005200102260003900154300001600193653001500209211217s9999    xx            000 0 und d  cJayakar Knowledge Resource Centre  aWolman, Benjamin B 0aContemporary theories and systems in psychology  bHARPER & ROW, PUBLISHERSaNew York  avii,600p p.  aPSYCHOLOGY